#include <string.h>
#include "cmdutils.h"
#include "ffmpeg.h"
#include "ffmpeg_mux.h"
#include "ffmpeg_sched.h"
#include "fopen_utf8.h"
#include "libavformat/avformat.h"
#include "libavformat/avio.h"
#include "libavcodec/avcodec.h"
#include "libavfilter/avfilter.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/avutil.h"
#include "libavutil/bprint.h"
#include "libavutil/dict.h"
#include "libavutil/display.h"
#include "libavutil/getenv_utf8.h"
#include "libavutil/iamf.h"

Data Structures
struct	EncStatsFile

Functions
static int	check_opt_bitexact (void ctx, const AVDictionary opts, const char *opt_name, int flag)

static int	choose_encoder (const OptionsContext o, AVFormatContext s, MuxStream ms, const AVCodec *enc)

static char *	get_line (AVIOContext s, AVBPrint bprint)

static int	get_preset_file_2 (const char preset_name, const char codec_name, AVIOContext **s)

static int	enc_stats_get_file (AVIOContext *io, const char path)

void	of_enc_stats_close (void)

static int	unescape (char *pdst, size_t dst_len, const char **pstr, char delim)

static int	enc_stats_init (OutputStream ost, EncStats es, int pre, const char path, const char fmt_spec)

static const char *	output_stream_item_name (void *obj)

static MuxStream *	mux_stream_alloc (Muxer *mux, enum AVMediaType type)

static int	ost_get_filters (const OptionsContext o, AVFormatContext oc, OutputStream ost, char *dst)

static int	parse_matrix_coeffs (void logctx, uint16_t dest, const char *str)

static int	fmt_in_list (const int *formats, int format)

static enum AVPixelFormat	choose_pixel_fmt (const AVCodecContext *avctx, enum AVPixelFormat target)

static enum AVPixelFormat	pix_fmt_parse (OutputStream ost, const char name)

static int	new_stream_video (Muxer mux, const OptionsContext o, OutputStream ost, int keep_pix_fmt, enum VideoSyncMethod *vsync_method)

static int	new_stream_audio (Muxer mux, const OptionsContext o, OutputStream *ost)

static int	new_stream_subtitle (Muxer mux, const OptionsContext o, OutputStream *ost)

static int	ost_bind_filter (const Muxer mux, MuxStream ms, OutputFilter ofilter, const OptionsContext o, AVRational enc_tb, enum VideoSyncMethod vsync_method, int keep_pix_fmt, int autoscale, int threads_manual, const ViewSpecifier vs, SchedulerNode src)

static int	streamcopy_init (const OptionsContext o, const Muxer mux, OutputStream ost, AVDictionary *encoder_opts)

static int	set_encoder_id (OutputStream ost, const AVCodec codec)

static int	ost_add (Muxer mux, const OptionsContext o, enum AVMediaType type, InputStream ist, OutputFilter ofilter, const ViewSpecifier vs, OutputStream *post)

static int	map_auto_video (Muxer mux, const OptionsContext o)

static int	map_auto_audio (Muxer mux, const OptionsContext o)

static int	map_auto_subtitle (Muxer mux, const OptionsContext o)

static int	map_auto_data (Muxer mux, const OptionsContext o)

static int	map_manual (Muxer mux, const OptionsContext o, const StreamMap *map)

static int	of_add_attachments (Muxer mux, const OptionsContext o)

static int	create_streams (Muxer mux, const OptionsContext o)

static int	setup_sync_queues (Muxer mux, AVFormatContext oc, int64_t buf_size_us, int shortest)

static int	of_parse_iamf_audio_element_layers (Muxer mux, AVStreamGroup stg, char *ptr)

static int	of_parse_iamf_submixes (Muxer mux, AVStreamGroup stg, char *ptr)

static int	of_serialize_options (Muxer mux, void obj, AVBPrint *bp)

static int64_t	get_stream_group_index_from_id (Muxer *mux, int64_t id)

static int	of_map_group (Muxer mux, AVDictionary dict, AVBPrint bp, const char *map)

static int	of_parse_group_token (Muxer mux, const char token, char *ptr)

static int	of_add_groups (Muxer mux, const OptionsContext o)

static int	of_add_programs (Muxer mux, const OptionsContext o)

static int	parse_meta_type (void logctx, const char arg, char type, int index, const char **stream_spec)
	Parse a metadata specifier passed as 'arg' parameter. More...

static int	of_add_metadata (OutputFile of, AVFormatContext oc, const OptionsContext *o)

static int	copy_chapters (InputFile ifile, OutputFile ofile, AVFormatContext *os, int copy_metadata)

static int	copy_metadata (Muxer mux, AVFormatContext ic, const char outspec, const char inspec, int metadata_global_manual, int metadata_streams_manual, int *metadata_chapters_manual)

static int	copy_meta (Muxer mux, const OptionsContext o)

static int	set_dispositions (Muxer mux, const OptionsContext o)

static int	compare_int64 (const void a, const void b)

static int	parse_forced_key_frames (void log, KeyframeForceCtx kf, const Muxer mux, const char spec)

static int	process_forced_keyframes (Muxer mux, const OptionsContext o)

static const char *	output_file_item_name (void *obj)

static Muxer *	mux_alloc (void)

int	of_open (const OptionsContext o, const char filename, Scheduler *sch)

Variables
static EncStatsFile *	enc_stats_files

static int	nb_enc_stats_files

static const AVClass	output_stream_class

static const char *const	forced_keyframes_const_names []

static const AVClass	output_file_class

Function Documentation

◆ check_opt_bitexact()

static int check_opt_bitexact	(	void *	ctx,
		const AVDictionary *	opts,
		const char *	opt_name,
		int	flag
	)

static

Definition at line 53 of file ffmpeg_mux_init.c.

Referenced by of_open().

◆ choose_encoder()

static int choose_encoder	(	const OptionsContext *	o,
		AVFormatContext *	s,
		MuxStream *	ms,
		const AVCodec **	enc
	)

static

Definition at line 69 of file ffmpeg_mux_init.c.

Referenced by ost_add().

◆ get_line()

static char* get_line	(	AVIOContext *	s,
		AVBPrint *	bprint
	)

static

Definition at line 113 of file ffmpeg_mux_init.c.

Referenced by ost_add().

◆ get_preset_file_2()

static int get_preset_file_2	(	const char *	preset_name,
		const char *	codec_name,
		AVIOContext **	s
	)

static

Definition at line 126 of file ffmpeg_mux_init.c.

Referenced by ost_add().

◆ enc_stats_get_file()

static int enc_stats_get_file	(	AVIOContext **	io,
		const char *	path
	)

static

Definition at line 164 of file ffmpeg_mux_init.c.

Referenced by enc_stats_init().

◆ of_enc_stats_close()

void of_enc_stats_close ( void )

Definition at line 197 of file ffmpeg_mux_init.c.

Referenced by ffmpeg_cleanup().

◆ unescape()

static int unescape	(	char **	pdst,
		size_t *	dst_len,
		const char **	pstr,
		char	delim
	)

static

Definition at line 207 of file ffmpeg_mux_init.c.

Referenced by enc_stats_init().

◆ enc_stats_init()

static int enc_stats_init	(	OutputStream *	ost,
		EncStats *	es,
		int	pre,
		const char *	path,
		const char *	fmt_spec
	)

static

Definition at line 246 of file ffmpeg_mux_init.c.

Referenced by ost_add().

◆ output_stream_item_name()

static const char* output_stream_item_name ( void * obj )

static

Definition at line 378 of file ffmpeg_mux_init.c.

◆ mux_stream_alloc()

static MuxStream* mux_stream_alloc	(	Muxer *	mux,
		enum AVMediaType	type
	)

static

Definition at line 392 of file ffmpeg_mux_init.c.

Referenced by ost_add().

◆ ost_get_filters()

static int ost_get_filters	(	const OptionsContext *	o,
		AVFormatContext *	oc,
		OutputStream *	ost,
		char **	dst
	)

static

Definition at line 416 of file ffmpeg_mux_init.c.

Referenced by ost_bind_filter().

◆ parse_matrix_coeffs()

static int parse_matrix_coeffs	(	void *	logctx,
		uint16_t *	dest,
		const char *	str
	)

static

Definition at line 466 of file ffmpeg_mux_init.c.

Referenced by new_stream_video().

◆ fmt_in_list()

static int fmt_in_list	(	const int *	formats,
		int	format
	)

static

Definition at line 485 of file ffmpeg_mux_init.c.

Referenced by pix_fmt_parse().

◆ choose_pixel_fmt()

static enum AVPixelFormat choose_pixel_fmt	(	const AVCodecContext *	avctx,
		enum AVPixelFormat	target
	)

static

Definition at line 494 of file ffmpeg_mux_init.c.

Referenced by pix_fmt_parse().

◆ pix_fmt_parse()

static enum AVPixelFormat pix_fmt_parse	(	OutputStream *	ost,
		const char *	name
	)

static

Definition at line 525 of file ffmpeg_mux_init.c.

Referenced by new_stream_video().

◆ new_stream_video()

static int new_stream_video	(	Muxer *	mux,
		const OptionsContext *	o,
		OutputStream *	ost,
		int *	keep_pix_fmt,
		enum VideoSyncMethod *	vsync_method
	)

static

Definition at line 574 of file ffmpeg_mux_init.c.

Referenced by ost_add().

◆ new_stream_audio()

static int new_stream_audio	(	Muxer *	mux,
		const OptionsContext *	o,
		OutputStream *	ost
	)

static

Definition at line 817 of file ffmpeg_mux_init.c.

Referenced by ost_add().

◆ new_stream_subtitle()

static int new_stream_subtitle	(	Muxer *	mux,
		const OptionsContext *	o,
		OutputStream *	ost
	)

static

Definition at line 856 of file ffmpeg_mux_init.c.

Referenced by ost_add().

◆ ost_bind_filter()

static int ost_bind_filter	(	const Muxer *	mux,
		MuxStream *	ms,
		OutputFilter *	ofilter,
		const OptionsContext *	o,
		AVRational	enc_tb,
		enum VideoSyncMethod	vsync_method,
		int	keep_pix_fmt,
		int	autoscale,
		int	threads_manual,
		const ViewSpecifier *	vs,
		SchedulerNode *	src
	)

static

Definition at line 898 of file ffmpeg_mux_init.c.

Referenced by ost_add().

◆ streamcopy_init()

static int streamcopy_init	(	const OptionsContext *	o,
		const Muxer *	mux,
		OutputStream *	ost,
		AVDictionary **	encoder_opts
	)

static

Definition at line 1014 of file ffmpeg_mux_init.c.

Referenced by ost_add().

◆ set_encoder_id()

static int set_encoder_id	(	OutputStream *	ost,
		const AVCodec *	codec
	)

static

Definition at line 1158 of file ffmpeg_mux_init.c.

Referenced by ost_add().

◆ ost_add()

static int ost_add	(	Muxer *	mux,
		const OptionsContext *	o,
		enum AVMediaType	type,
		InputStream *	ist,
		OutputFilter *	ofilter,
		const ViewSpecifier *	vs,
		OutputStream **	post
	)

static

Definition at line 1180 of file ffmpeg_mux_init.c.

Referenced by create_streams(), map_auto_audio(), map_auto_data(), map_auto_subtitle(), map_auto_video(), map_manual(), and of_add_attachments().

◆ map_auto_video()

static int map_auto_video	(	Muxer *	mux,
		const OptionsContext *	o
	)

static

Definition at line 1592 of file ffmpeg_mux_init.c.

Referenced by create_streams().

◆ map_auto_audio()

static int map_auto_audio	(	Muxer *	mux,
		const OptionsContext *	o
	)

static

Definition at line 1645 of file ffmpeg_mux_init.c.

Referenced by create_streams().

◆ map_auto_subtitle()

static int map_auto_subtitle	(	Muxer *	mux,
		const OptionsContext *	o
	)

static

Definition at line 1689 of file ffmpeg_mux_init.c.

Referenced by create_streams().

◆ map_auto_data()

static int map_auto_data	(	Muxer *	mux,
		const OptionsContext *	o
	)

static

Definition at line 1728 of file ffmpeg_mux_init.c.

Referenced by create_streams().

◆ map_manual()

static int map_manual	(	Muxer *	mux,
		const OptionsContext *	o,
		const StreamMap *	map
	)

static

Definition at line 1751 of file ffmpeg_mux_init.c.

Referenced by create_streams().

◆ of_add_attachments()

static int of_add_attachments	(	Muxer *	mux,
		const OptionsContext *	o
	)

static

Definition at line 1836 of file ffmpeg_mux_init.c.

Referenced by create_streams().

◆ create_streams()

static int create_streams	(	Muxer *	mux,
		const OptionsContext *	o
	)

static

Definition at line 1919 of file ffmpeg_mux_init.c.

Referenced by of_open().

◆ setup_sync_queues()

static int setup_sync_queues	(	Muxer *	mux,
		AVFormatContext *	oc,
		int64_t	buf_size_us,
		int	shortest
	)

static

Definition at line 2043 of file ffmpeg_mux_init.c.

Referenced by of_open().

◆ of_parse_iamf_audio_element_layers()

static int of_parse_iamf_audio_element_layers	(	Muxer *	mux,
		AVStreamGroup *	stg,
		char *	ptr
	)

static

Definition at line 2144 of file ffmpeg_mux_init.c.

Referenced by of_parse_group_token().

◆ of_parse_iamf_submixes()

static int of_parse_iamf_submixes	(	Muxer *	mux,
		AVStreamGroup *	stg,
		char *	ptr
	)

static

Definition at line 2220 of file ffmpeg_mux_init.c.

Referenced by of_parse_group_token().

◆ of_serialize_options()

static int of_serialize_options	(	Muxer *	mux,
		void *	obj,
		AVBPrint *	bp
	)

static

Definition at line 2349 of file ffmpeg_mux_init.c.

Referenced by of_map_group().

◆ get_stream_group_index_from_id()

static int64_t get_stream_group_index_from_id	(	Muxer *	mux,
		int64_t	id
	)

static

Definition at line 2390 of file ffmpeg_mux_init.c.

Referenced by of_map_group().

◆ of_map_group()

static int of_map_group	(	Muxer *	mux,
		AVDictionary **	dict,
		AVBPrint *	bp,
		const char *	map
	)

static

Definition at line 2401 of file ffmpeg_mux_init.c.

Referenced by of_parse_group_token().

◆ of_parse_group_token()

static int of_parse_group_token	(	Muxer *	mux,
		const char *	token,
		char *	ptr
	)

static

Definition at line 2497 of file ffmpeg_mux_init.c.

Referenced by of_add_groups().

◆ of_add_groups()

static int of_add_groups	(	Muxer *	mux,
		const OptionsContext *	o
	)

static

Definition at line 2639 of file ffmpeg_mux_init.c.

Referenced by of_open().

◆ of_add_programs()

static int of_add_programs	(	Muxer *	mux,
		const OptionsContext *	o
	)

static

Definition at line 2666 of file ffmpeg_mux_init.c.

Referenced by of_open().

◆ parse_meta_type()

static int parse_meta_type	(	void *	logctx,
		const char *	arg,
		char *	type,
		int *	index,
		const char **	stream_spec
	)

static

Parse a metadata specifier passed as 'arg' parameter.

Parameters

arg	metadata string to parse
type	metadata type is written here – g(lobal)/s(tream)/c(hapter)/p(rogram)
index	for type c/p, chapter/program index is written here
stream_spec	for type s, the stream specifier is written here

Definition at line 2735 of file ffmpeg_mux_init.c.

Referenced by copy_metadata(), and of_add_metadata().

◆ of_add_metadata()

static int of_add_metadata	(	OutputFile *	of,
		AVFormatContext *	oc,
		const OptionsContext *	o
	)

static

Definition at line 2765 of file ffmpeg_mux_init.c.

Referenced by of_open().

◆ copy_chapters()

static int copy_chapters	(	InputFile *	ifile,
		OutputFile *	ofile,
		AVFormatContext *	os,
		int	copy_metadata
	)

static

Definition at line 2823 of file ffmpeg_mux_init.c.

Referenced by copy_meta().

◆ copy_metadata()

static int copy_metadata	(	Muxer *	mux,
		AVFormatContext *	ic,
		const char *	outspec,
		const char *	inspec,
		int *	metadata_global_manual,
		int *	metadata_streams_manual,
		int *	metadata_chapters_manual
	)

static

Definition at line 2865 of file ffmpeg_mux_init.c.

Referenced by copy_chapters(), and copy_meta().

◆ copy_meta()

static int copy_meta	(	Muxer *	mux,
		const OptionsContext *	o
	)

static

Definition at line 2952 of file ffmpeg_mux_init.c.

Referenced by of_open().

◆ set_dispositions()

static int set_dispositions	(	Muxer *	mux,
		const OptionsContext *	o
	)

static

Definition at line 3024 of file ffmpeg_mux_init.c.

Referenced by of_open().

◆ compare_int64()

static int compare_int64	(	const void *	a,
		const void *	b
	)

static

Definition at line 3104 of file ffmpeg_mux_init.c.

Referenced by parse_forced_key_frames().

◆ parse_forced_key_frames()

static int parse_forced_key_frames	(	void *	log,
		KeyframeForceCtx *	kf,
		const Muxer *	mux,
		const char *	spec
	)

static

Definition at line 3109 of file ffmpeg_mux_init.c.

Referenced by process_forced_keyframes().

◆ process_forced_keyframes()

static int process_forced_keyframes	(	Muxer *	mux,
		const OptionsContext *	o
	)

static

Definition at line 3187 of file ffmpeg_mux_init.c.

Referenced by of_open().

◆ output_file_item_name()

static const char* output_file_item_name ( void * obj )

static

Definition at line 3233 of file ffmpeg_mux_init.c.

◆ mux_alloc()

static Muxer* mux_alloc ( void )

static

Definition at line 3247 of file ffmpeg_mux_init.c.

Referenced by of_open().

◆ of_open()

int of_open	(	const OptionsContext *	o,
		const char *	filename,
		Scheduler *	sch
	)

Definition at line 3262 of file ffmpeg_mux_init.c.

Variable Documentation

◆ enc_stats_files

EncStatsFile* enc_stats_files

static

Definition at line 161 of file ffmpeg_mux_init.c.

Referenced by enc_stats_get_file(), and of_enc_stats_close().

◆ nb_enc_stats_files

int nb_enc_stats_files

static

Definition at line 162 of file ffmpeg_mux_init.c.

Referenced by enc_stats_get_file(), and of_enc_stats_close().

◆ output_stream_class

const AVClass output_stream_class

static

Initial value:

= {
    .class_name = "OutputStream",
    .version    = LIBAVUTIL_VERSION_INT,
    .item_name  = output_stream_item_name,
    .category   = AV_CLASS_CATEGORY_MUXER,
}

Definition at line 385 of file ffmpeg_mux_init.c.

Referenced by mux_stream_alloc().

◆ forced_keyframes_const_names

const char* const forced_keyframes_const_names[]

static

Initial value:

= {
    "n",
    "n_forced",
    "prev_forced_n",
    "prev_forced_t",
    "t",
    NULL
}

Definition at line 3095 of file ffmpeg_mux_init.c.

Referenced by process_forced_keyframes().

◆ output_file_class

const AVClass output_file_class

static

Initial value:

= {
    .class_name = "OutputFile",
    .version    = LIBAVUTIL_VERSION_INT,
    .item_name  = output_file_item_name,
    .category   = AV_CLASS_CATEGORY_MUXER,
}

Definition at line 3240 of file ffmpeg_mux_init.c.

Referenced by mux_alloc().

Data Structures

Functions

Variables

Function Documentation

◆ check_opt_bitexact()

◆ choose_encoder()

◆ get_line()

◆ get_preset_file_2()

◆ enc_stats_get_file()

◆ of_enc_stats_close()

◆ unescape()

◆ enc_stats_init()

◆ output_stream_item_name()

◆ mux_stream_alloc()

◆ ost_get_filters()

◆ parse_matrix_coeffs()

◆ fmt_in_list()

◆ choose_pixel_fmt()

◆ pix_fmt_parse()

◆ new_stream_video()

◆ new_stream_audio()

◆ new_stream_subtitle()

◆ ost_bind_filter()

◆ streamcopy_init()

◆ set_encoder_id()

◆ ost_add()

◆ map_auto_video()

◆ map_auto_audio()

◆ map_auto_subtitle()

◆ map_auto_data()

◆ map_manual()

◆ of_add_attachments()

◆ create_streams()

◆ setup_sync_queues()

◆ of_parse_iamf_audio_element_layers()

◆ of_parse_iamf_submixes()

◆ of_serialize_options()

◆ get_stream_group_index_from_id()

◆ of_map_group()

◆ of_parse_group_token()

◆ of_add_groups()

◆ of_add_programs()

◆ parse_meta_type()

◆ of_add_metadata()

◆ copy_chapters()

◆ copy_metadata()

◆ copy_meta()

◆ set_dispositions()

◆ compare_int64()

◆ parse_forced_key_frames()

◆ process_forced_keyframes()

◆ output_file_item_name()

◆ mux_alloc()

◆ of_open()

Variable Documentation

◆ enc_stats_files

◆ nb_enc_stats_files

◆ output_stream_class

◆ forced_keyframes_const_names

◆ output_file_class